package net.bwie.realtime.jtp.dws.log.function;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import net.bwie.realtime.jtp.dws.log.bean.PageViewBean3;
import net.bwie.realtime.jtp.utils.DateTimeUtil;
import org.apache.flink.api.common.functions.RichMapFunction;
import org.apache.flink.api.common.state.StateTtlConfig;
import org.apache.flink.api.common.state.ValueState;
import org.apache.flink.api.common.state.ValueStateDescriptor;
import org.apache.flink.api.common.time.Time;
import org.apache.flink.configuration.Configuration;

import java.util.HashMap;

public class PageViewReportReduceFunction3 extends RichMapFunction<String, PageViewBean3> {
    //声明变量
    private transient ValueState<String> lastDateState=null;

    //todo 地区维度字典集合

    private HashMap<String,String> areaDic=null;

    @Override
    public void open(Configuration parameters) throws Exception {
        //初始化
        ValueStateDescriptor<String> stateDescriptor = new ValueStateDescriptor<>("last-visit-date", String.class);

        //ttl配置
        StateTtlConfig ttlConfig = StateTtlConfig
                .newBuilder(Time.days(1))
                .updateTtlOnCreateAndWrite()
                .neverReturnExpired()
                .build();


        stateDescriptor.enableTimeToLive(ttlConfig);

        lastDateState= getRuntimeContext().getState(stateDescriptor);

        areaDic=getAreaDic();
    }

    private HashMap<String, String> getAreaDic() {
        //map集合
        HashMap<String,String> map=new HashMap<>();
        //添加数据
        map.put("110000","北京");
        map.put("120000","天津");
        map.put("140000","山西");
        map.put("150000","内蒙古");
        map.put("130000","河北");
        map.put("310000","上海");
        map.put("320000","江苏");
        map.put("330000","浙江");
        map.put("340000","安徽");
        map.put("350000","福建");
        map.put("360000","江西");
        map.put("370000","山东");
        map.put("710000","台湾");
        map.put("230000","黑龙江");
        map.put("220000","吉林");
        map.put("210000","辽宁");
        map.put("610000","陕西");
        map.put("620000","甘肃");
        map.put("630000","青海");
        map.put("640000","宁夏");
        map.put("650000","新疆");
        map.put("410000","河南");
        map.put("420000","湖北");
        map.put("430000","湖南");
        map.put("440000","广东");
        map.put("450000","广西");
        map.put("460000","海南");
        map.put("810000","香港");
        map.put("820000","澳门");
        map.put("510000","四川");
        map.put("520000","贵州");
        map.put("530000","云南");
        map.put("500000","重庆");
        map.put("540000","西藏");
        //返回集合
        return map;
    }


    @Override
    public PageViewBean3 map(String value) throws Exception {
        //解析json
        JSONObject jsonObject = JSON.parseObject(value);
        JSONObject object = jsonObject.getJSONObject("common");
        JSONObject pageObject = jsonObject.getJSONObject("mid");

        String arValue = object.getString("ar");
        String province = areaDic.getOrDefault(arValue, arValue);

        //UV 访客数
        Long uvCount=0L;
        //b.获取上一次访问日期
        String lastDate = lastDateState.value();
        //获取当前数据日期
        String visitDate = DateTimeUtil.convertLongToString(jsonObject.getLong("ts"), DateTimeUtil.DATE_FORMAT);
        //b-1.值为null时，表示今日第一次访问，uv字段为1
        //b-2.值不为null,上一次访问日期！=当前数据日期，也表示今日第一次访问，uv字段为1
        if(null==lastDate || !lastDate.equals(visitDate)){
            uvCount=1L;
            lastDateState.update(visitDate);
        }
        return new PageViewBean3(
                null,
                null,
                object.getString("ba"),
                object.getString("ch"),
                province,
                object.getString("is_new"),
                pageObject.get("last_page_id")==null ? 1L : 0L,
                1L,
                pageObject.getLong("during_time"),
                uvCount,
                jsonObject.getLong("ts")
        );
    }

    @Override
    public void close() throws Exception {
        super.close();
    }
}
